4-PORT INDUSTRIAL USB HUB: USB 3.2 Gen 1 expansion hub w/metal enclosure for durability in harsh environments; Provides 4 USB 3.0 Type-A Downstream Facing Ports (DFP); 5Gbps shared; 6ft A-B host cable; USB Event Monitoring utility (available for download) ESD PROTECTION: Heavy duty USB hub w/ level 4 electrostatic discharge protection; 15kV air/8kV contact (twice the level of consumer grade hubs) provides increased reliability and longevity; Competitor hubs without adequate ESD protection may fail FLEXIBLE MOUNTING OPTIONS: Built-in mounting brackets for wall or desk installation; DIN rail mounting hardware included; Screw-lock connectors on host and device ports to ensure a reliable and secure connection POWER OPTIONS: Rugged multiport hub is powered by either the DC barrel connection or terminal block using a 5 to 24V DC source (DC source not incl.); Optional power adapter available ITB20D3250 (sold separately) to power the hub via 2-wire terminal block